ShareManager is currently applying to Apple to become an Identified Developer
Apple only allows 'Identified Developers' to directly install without a dialog box. You may see this message if you try to open application for the first time
Here is a link to the Apple the How To:  Click Here
1)  Download the program
2)  'Control Click' the  SM icon
 
Hold the Control Key down whilst clicking on the SM icon:
3)  Click Open
 
You can operate in demonstration mode unregistered for 40 transactions
 
Click on MacShareManager V6 button under Downloads
The download will begin automatically
You can locate the dowloaded folder by clicking on the download arrow top right of browser